Medical devices are disclosed. An example medical device may include a catheter (10). The catheter may include an elongate shaft (12) having a proximal end (14), a distal end (16), and a lumen (18) extending at least partially between the proximal end and the distal end. The shaft may include an inner layer (20), a reinforcing member (22), and an outer layer (24). The outer layer may include a first section (26) positioned adjacent to the proximal end, a second section (28) disposed distally of the first section, a third section (30) positioned distally of the second section, and a fourth section (32) positioned distally of the third section.